From: Johannes Berg <johannes.berg@xxxxxxxxx> If the opmode doesn't support debug collection (DVM) then don't crash, but just skip the callback. Fixes: d01293154c0a ("iwlwifi: dbg: add op_mode callback for collecting debug data.") Reported-by: Andy Lavr <andy.lavr@xxxxxxxxx> Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> --- drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h b/drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h index 868da7e79a45..e6d2e0994317 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-op-mode.h @@ -205,6 +205,8 @@ static inline void iwl_op_mode_time_point(struct iwl_op_mode *op_mode, enum iwl_fw_ini_time_point tp_id, union iwl_dbg_tlv_tp_data *tp_data) { + if (!op_mode || !op_mode->ops || !op_mode->ops->time_point) + return; op_mode->ops->time_point(op_mode, tp_id, tp_data); } -- 2.26.2